Hard Sudoku No.220
Satisfying puzzles that need Naked Pairs and Hidden Pairs.
Hard Sudoku No.220puzzlelounge.app/nanpure
175416949751539125758673159564
Every column, row and bold 3×3 box holds each digit 1 to 9 once.
See the answer
621973548853416297497285613564398172189724365732561489246859731378142956915637824
Answer to Hard Sudoku No.220
621973548853416297497285613564398172189724365732561489246859731378142956915637824
If you are unsure how to solve, see how to solve sudoku, with tips.